| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
| Cc: | Kevin Brown <kevin(at)sysexperts(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [PERFORM] Foreign key performance |
| Date: | 2003-04-20 17:09:24 |
| Message-ID: | 6996.1050858564@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-performance |
Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> writes:
> Okay, this changes the second paragraph of that comment. I left in the
> comment that's really similar next to where I actually do the selection of
> which start point to use.
This had a bit of a problem yet: the loop in deferredTriggerInvokeEvents
expects 'prev_event' to point to the list entry just before 'event'.
A nice byproduct of fixing that is we don't uselessly rescan the last list
entry. I also tried to improve the comments a little. You can see what
I actually applied at
http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/commands/trigger.c
regards, tom lane
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